"Return to Tomorrow" was the 51st episode of Star Trek: The Original Series.

References[edit | edit source]

Characters[edit | edit source]

Episode characters[edit | edit source]

Clifford Brent (?) • Christine ChapelPavel ChekovBill HadleyHenochJames T. KirkRoger LemliRyan LeslieLeonard McCoyAnn MulhallZainab OdhiamboSargonMontgomery ScottSpockHikaru SuluThalassaNyota Uhuraunnamed USS Enterprise (NCC-1701) personnel
Referenced only 
Adam and Eve

Novelization characters[edit | edit source]

Christine ChapelHanochJames T. KirkLeonard McCoyM'BengaAnne MulhallSargonMontgomery ScottSpockHikaru SuluThalassaNyota Uhura

Starships and vehicles[edit | edit source]

USS Enterprise (Constitution-class heavy cruiser)
Referenced only 
Apollo 11

Locations[edit | edit source]

Arret (Arret system, the galaxy's Alpha or Beta Quadrants)
Referenced only 
Alpha CentauriEarthMars

Races and cultures[edit | edit source]

ArretianHumanVulcan

Materials and substances[edit | edit source]

airatmospherebloodcatgutjellynitrogenoxygen

Foods and beverages[edit | edit source]

walnut

Drugs and treatments[edit | edit source]

metabolic reduction injection

Science and medicine[edit | edit source]

anatomyastrobiologypharmacology

Measurement and classification[edit | edit source]

body temperatureccclass M planetFahrenheitheart ratemetabolic ratemilestandard orbit

Anatomy[edit | edit source]

arteryheartlungmusclevital organ

Technology and weapons[edit | edit source]

androiddistress signal relayhumanoid robothypomicro-gearnegatron hydrocoilpulleyreceptaclescalpelstarshipsubspace radiotransportertricorder

Communications and tactics[edit | edit source]

diagramsubspace radio

States and organizations[edit | edit source]

FederationStarfleet

Ranks and titles[edit | edit source]

captainchief engineerchief medical officercommanderconndoctorengineerensignfirst officerhelmsmanlieutenantlieutenant commandermedicine mannavigatorphysicianscience officersecond officertactical officertechnicianweapons officer

Other references[edit | edit source]

BonesclothingcommunicationenergyeuphoriaevolutiongalaxygovernmenthumanoidKirk in deathKirk's womenlanding partylifeformmattermeasurementmedicinememorynation-statenuclear age/nuclear eraplanetpoisonsciencespacetechnologytimeuniformuniverseweapon

Chronology[edit | edit source]

Vulcan prehistory 
Mentioned by Spock.
stardate 4768.3, 2268 (2260s chronology, 2264–2270 Enterprise voyages
Enterprise travels to Arret.

Appendices[edit | edit source]

Related media[edit | edit source]

Adaptations[edit | edit source]

Images[edit | edit source]

Connections[edit | edit source]

Timeline[edit | edit source]

published order
Previous episode:
By Any Other Name
TOS episode produced Next episode:
Patterns of Force
Previous episode:
A Private Little War
TOS episode aired Next episode:
Patterns of Force
Previous story:
first story
Star Trek 9
Blish9.jpg
Next story:
The Ultimate Computer
chronological order
Previous Adventure:
First, Do No Harm
Memory Beta Chronology Next Adventure:
The Order of Things
Pages 15-19
Previous Adventure:
Mutiny on the Enterprise
Pocket Next Adventure:
Patterns of Force
Previous Adventure:
Mutiny on the Enterprise
Voyages of the
USS Enterprise (NCC-1701)
(2264 to 2270)
Next Adventure:
Patterns of Force


External link[edit | edit source]

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